<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      #header,
      #footer {
        background: rgba(29, 27, 27, 0.726);
        text-align: center;
        height: 60px;
        line-height: 60px;
      }
      #container {
        overflow: hidden;
      }
      .column {
        text-align: center;
        height: 300px;
        line-height: 300px;
      }
      #left,
      #right,
      #center {
        float: left;
      }
      #center {
        width: 100%;
        background: rgb(206, 201, 201);
      }
      #left {
        width: 200px;
        margin-left: -100%;
        background: rgba(95, 179, 235, 0.972);
      }
      #right {
        width: 150px;
        margin-left: -150px;
        background: rgb(231, 105, 2);
      }
      .content {
        margin: 0 150px 0 200px;
      }
    </style>
  </head>
  <body>
    <div id="header">#header</div>

    <div id="container">
      <div id="center" class="column">
        <div class="content">#center</div>
      </div>
      <div id="left" class="column">#left</div>
      <div id="right" class="column">#right</div>
    </div>
    <div id="footer">#footer</div>
  </body>
</html>
